#include <stdio.h>
int main()
{
    int a, b, n;
    while (~scanf("%d", &n))
    {
        if (n > 198)
            printf("0\n");
        else
        {
            b = (99 - n / 2) * 2;
            if (n % 2 == 0)
                b += 1;
            printf("%d\n", b);
        }
    }
    return 0;
}